Irish authorities are liaising with Polish officials over the source of the contamination.
Traces were found at Rangeland Foods in Co Monaghan, owned by ABP Food Group.
The Group has lost contracts with:
- Co-Operative Group
- Burger King
More top news
The 18-month-old baby girl was in "excruciating pain" after suffering broken ribs, leg fractures and injuries to her spine, face and neck.
The "world's first transgender doll" has appeared at New York's Toy Fair and will go on sale in July.
The exhibition includes the gown she wore when she danced with John Travolta at the White House and a dress used for a Vanity Fair cover.